:root {
  color-scheme: dark;
  --midnight: #0a2035;
  --midnight-deep: #061523;
  --panel: #0f2a43;
  --panel-light: #163751;
  --blue: #2f80ed;
  --blue-light: #7bc5ff;
  --text: #f6f9fc;
  --muted: #a9b9c8;
  --border: rgba(164, 206, 235, .18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 12%, rgba(47, 128, 237, .22), transparent 30rem),
    linear-gradient(145deg, var(--midnight-deep), var(--midnight));
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.hero {
  width: min(1180px, calc(100% - 48px));
  min-height: 100svh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .88fr);
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
  padding: 72px 0;
}

.hero-copy {
  max-width: 620px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 76px;
  font-size: 24px;
  font-weight: 750;
  letter-spacing: -.02em;
}

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, .24);
}

.brand strong {
  color: var(--blue-light);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue-light);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .18em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 650px;
  margin-bottom: 24px;
  font-size: clamp(46px, 6.6vw, 82px);
  line-height: .98;
  letter-spacing: -.055em;
}

.intro {
  max-width: 590px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
}

.privacy-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

.privacy-points span {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, .055);
  color: #d9edf9;
  font-size: 13px;
  font-weight: 650;
}

.primary-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 12px;
  background: var(--blue);
  box-shadow: 0 14px 34px rgba(47, 128, 237, .25);
  font-size: 16px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease;
}

.primary-button:hover {
  transform: translateY(-2px);
  background: #4090ff;
}

.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 720px;
}

.glow {
  position: absolute;
  width: min(470px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 176, 255, .28), transparent 68%);
  filter: blur(12px);
}

.phone-video {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  width: min(388px, 100%);
}

.phone-video video {
  position: absolute;
  height: calc(100% - 38px);
  max-width: 88%;
  border-radius: 46px;
  object-fit: cover;
}

.phone-video img {
  position: relative;
  z-index: 1;
  display: block;
  width: auto;
  max-height: 680px;
  pointer-events: none;
}

.video-note {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  color: rgba(220, 235, 245, .58);
  font-size: 12px;
}

.uses {
  padding: clamp(88px, 12vw, 150px) max(24px, calc((100vw - 1180px) / 2));
  border-top: 1px solid var(--border);
  background: rgba(3, 14, 24, .38);
}

.section-heading {
  max-width: 740px;
  margin-bottom: 54px;
}

.section-heading h2 {
  margin-bottom: 20px;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -.045em;
}

.section-heading > p:last-child {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.6;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cards article {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(21, 58, 86, .82), rgba(10, 32, 53, .74));
  box-shadow: 0 24px 60px rgba(0, 0, 0, .16);
}

.card-number {
  display: block;
  margin-bottom: 44px;
  color: var(--blue-light);
  font-size: 13px;
  font-weight: 750;
}

.cards h3 {
  margin-bottom: 12px;
  font-size: 22px;
  letter-spacing: -.02em;
}

.cards p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px max(24px, calc((100vw - 1180px) / 2));
  border-top: 1px solid var(--border);
  color: rgba(220, 235, 245, .6);
  font-size: 13px;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

footer a:hover {
  color: var(--text);
}

.policy-page {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 100px;
}

.policy-page .brand {
  margin-bottom: 64px;
}

.policy-page h1 {
  font-size: clamp(38px, 7vw, 62px);
}

.policy-page h2 {
  margin: 44px 0 12px;
  font-size: 22px;
}

.policy-page p,
.policy-page li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.policy-page ul {
  padding-left: 22px;
}

.policy-page a:not(.brand) {
  color: var(--blue-light);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 36px;
  }

  .brand {
    margin-bottom: 64px;
  }

  .hero-visual {
    min-height: auto;
    padding: 20px 0 40px;
  }

  .phone-video img {
    max-height: 650px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .cards article {
    min-height: 0;
  }

  .card-number {
    margin-bottom: 28px;
  }
}

@media (max-width: 560px) {
  .hero {
    width: min(100% - 32px, 1180px);
    padding: 28px 0 64px;
  }

  .brand {
    margin-bottom: 52px;
  }

  .brand img {
    width: 46px;
    height: 46px;
  }

  h1 {
    font-size: 48px;
  }

  .privacy-points {
    gap: 7px;
  }

  .hero-visual {
    padding-top: 12px;
  }

  .phone-video {
    width: min(330px, 94%);
  }

  .phone-video video {
    border-radius: 38px;
  }

  .uses {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}